Home / 20,425.29-30,663.86-17,366.73

Finding the Fourth Proportional to 20,425.29, 30,663.86 and 17,366.73

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Solution

The fourth proportional to 20,425.29, 30,663.86 and 17,366.73 is: 26,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425.29 : 30,663.86 = 17,366.73 : x
  2. Step 2: Convert to fraction form
    20,425.29/30,663.86 = 17,366.73/x
  3. Step 3: Cross multiply
    20,425.29x = 30,663.86 × 17,366.73
  4. Step 4: Simplify right side
    20,425.29x = 532,530,890.54
  5. Step 5: Solve for x
    x = 532,530,890.54/20,425.29
  6. Step 6: Final answer
    x = 26,072.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.